# CVE-2024-27088: node-es5-ext: es5-ext contains ECMAScript 5 extensions

CVE-2024-27088 is fixed in node-es5-ext on 1 platform, first by DEBIAN-CVE-2024-27088, released February 26, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-27088
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0054
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 26, 2024

## Description

es5-ext contains ECMAScript 5 extensions. Passing functions with very long names or complex default argument names into `function#copy` or `function#toStringTokens` may cause the script to stall. The vulnerability is patched in v0.10.63.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | node-es5-ext Debian 13.5 (trixie) | 0.10.64+dfsg1+~1.1.0-1 | [DEBIAN-CVE-2024-27088](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27088.md) | Feb 26, 2024 |
| Linux | node-es5-ext Debian 14 | 0.10.64+dfsg1+~1.1.0-1 | [DEBIAN-CVE-2024-27088](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27088.md) | Feb 26, 2024 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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